Finding the Fourth Proportional to 16,086.64, 22,199.68 and 9,713.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,086.64 : 22,199.68 = 9,713.52 : x
2. Step 2: Convert to fraction form
   16,086.64/22,199.68 = 9,713.52/x
3. Step 3: Cross multiply
   16,086.64x = 22,199.68 × 9,713.52
4. Step 4: Simplify right side
   16,086.64x = 215,637,035.67
5. Step 5: Solve for x
   x = 215,637,035.67/16,086.64
6. Step 6: Final answer
   x = 13,404.73